Our murderous mountebanks arrive courtesy of the anarchic Harlequin in sixteenth-century commedia dell’arte, followed by the seventeenth-century’s insanely violent Punch and Judy puppet shows. The first white-faced, full-makeup-wearing clowns appeared in the nineteenth century. In England it was Joseph Grimaldi, a horribly abused child who became a clown, then retired at age 45 when his tortured joints crumbled to dust. His son, also a clown,
